header{
    height: 1.5rem;
    background: green;
    margin-bottom: 0.3rem;
}

form{
    font-size: 40px;
}

.form-control{
    height: 50px;
    font-size: 40px;
}
.btn-success{
    height: 60px;
    font-size: 50px;
}